摘要:
#19. [R4A]数位交换 #include <bits/stdc++.h> using i64 = long long; using i32 = int32_t; using vi = std::vector<i64>; using std::cin, std::cout; #define in 阅读全文
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#13. [R3A]出现次数统计 #include <bits/stdc++.h> using i64 = int64_t; using vi = std::vector<i64>; using std::cin, std::cout; const int N = 5e5; int main() { 阅读全文
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#7. [R2A]三人组队 #include <bits/stdc++.h> using i64 = int64_t; using vi = std::vector<i64>; using std::cin, std::cout; int main() { std::ios::sync_with_s 阅读全文
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#1. [R1A]最大奇数 #include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false), cin.tie(nullptr); int n; cin >> n; int res = -1; 阅读全文